News Release

Chicago Mercantile Exchange Holdings to Present at Credit Suisse Conference

Fri Feb 03 2006

CHICAGO, Feb. 3 /PRNewswire-FirstCall/ -- Chicago Mercantile Exchange Holdings Inc. (NYSE: CME)(NASDAQ: CME) announced today that Craig Donohue, Chief Executive Officer, and Jamie Parisi, Chief Financial Officer, will present at the 2006 Credit Suisse Financial Services Conference in Miami, Florida, on Thursday, February 9, at approximately 1:00 p.m. (Eastern Time).

The presentation will be broadcast live over the Internet and can be accessed via the exchange's web site at http://investor.cme.com/ . Please allow extra time prior to the presentation to visit the site and download the streaming media software required to listen to the Internet broadcast.

Chicago Mercantile Exchange Holdings Inc. (NYSE: CME)(NASDAQ: CME) became the first publicly traded U.S. financial exchange on Dec. 6, 2002. The company was added to the Russell 1000® Index on July 1, 2003. It is the parent company of Chicago Mercantile Exchange Inc. ( http://www.cme.com/ ), the largest futures exchange in the United States. As an international marketplace, CME brings together buyers and sellers on its CME Globex electronic trading platform and on its trading floors. CME offers futures and options on futures primarily in interest rates, equities, foreign exchange and commodities. The exchange moved an average of $1.4 billion per day in settlement payments in 2005 and managed $45.6 billion in collateral deposits at December 30, 2005, including $3.2 billion in deposits for non-CME products.

Chicago Mercantile Exchange, CME and Globex are registered trademarks of Chicago Mercantile Exchange Inc. E-mini is a trademark of CME. TRAKRS, Total Return Asset Contracts and other trade names, service marks, trademarks and registered trademarks that are not proprietary to Chicago Mercantile Exchange Inc. are the property of their respective owners, and are used herein under license. Further information about CME and its products is available on the CME Web site at http://www.cme.com/ .

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SOURCE: Chicago Mercantile Exchange Holdings Inc.

CONTACT: Media, Anita Liskey, +1-312-466-4613, or William Parke,
+1-312-930-3467, or news@cme.com , or Investors, John Peschier,
+1-312-930-8491, all of Chicago Mercantile Exchange Holdings Inc.

Web site: http://www.cme.com/
http://investor.cme.com/

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